Colonel D. B. "Dave" Cochrane, CD is a Royal Canadian Air Force officer. Col. Cochrane is currently the commanding officer of CFB Trenton as well as the primary lodger unit for the base, 8 Wing. Col. Cochrane assumed his present command on February 19, 2010 eleven days after his predecessor, Russell Williams, was formally charged under the Criminal Code of Canada with two counts of first-degree murder along with two counts of forcible confinement and two counts of break and enter and sexual assault.